FNUS73 KGRR 171219
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR YNAKEE SPRINGS...MI DNR
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
819 AM EDT FRI APR 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ANOTHER DAY OF INCREASED FIRE DANGER TODAY DUE TO
WARM CONDITIONS WITH LOW RELATIVE HUMIDITY VALUES. SOUTHWEST WINDS WILL
PICK UP A BIT TODAY... GETTING INTO THE 10 TO 15 MPH RANGE DURING
THE AFTERNOON. HUMIDITY VALUES BEGIN TO SLOWLY INCREASE ON
SATURDAY. LIGHT RAIN IS EXPECT TO ARRIVE SATURDAY NIGHT INTO
SUNDAY. HOWEVER THIS RAIN IS EXPECTED TO REMAIN LIGHT AND MAINLY
FALL ALONG AND SOUTH OF I-96.


.TODAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
TEMPERATURE.........59 AT IGNITION...MAX 69.
RH..................29 PERCENT AT IGNITION...MIN 21 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 9 MPH AT
                    IGNITION...OTHERWISE WEST WINDS 8 TO 13 MPH.
MIXING WINDS........WEST 3 TO 12 MPH.
MIXING HEIGHT.......3500 FT AGL AT IGNITION...OTHERWISE 4700-5200
                    FT AGL DECREASING TO 2900 FT AGL IN THE
                    EVENING.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....FAIR /200 KNOT-FT/ AT IGNITION. MAX...GOOD /400
                    KNOT-FT/ INCREASING TO GOOD TO EXCELLENT
                    (300-600 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
TEMPERATURE.........MIN 41.
RH..................MAX 90 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
MIXING WINDS........SOUTHWEST 5 TO 8 MPH.

$$
FORECASTER...MARINO
REQUESTED BY...STEVE CROSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090417.YNAKE.01/GRR